the anonymous source got people's cell phone numbers. they're calling onthestateattorneygeneral to investigate. >>> the d.c. police department tonight is turning over its mobile crime investigation unit to civilians, freeing up about 80 uniformed police officers for other police duties. this move is part of a sweeping overhaul of crime scene management. news4's tom sherwood talked to the police union today. they're warning that valuable skills and experience are being lost. tom? >> reporter: jim, crime scene work is a lot more technical, and the chief says she needs officers on the street. the new $220 million headquarters of the city's chief medical examiner and state-of-the-art laboratories for crime scene analysis. it's due to open on monday and expected to improve police and prosecution work on thousands of cases. police chief kathy lanier is shifting 80 uniformed officers from crime scene analysis, replacing them with all civilian forensic technicians in a fast-changing high-tech world. >> the science has grown dramatically in the last 20 years. and it will be a gradual tra